v2.4.1: remove vol toggle anytime
- versionCode = 24
- implemented removing the volume tri-state option at anytime, not just
when at lockscreen
- changed implementation of adv. reboot (removing the original reboot
item and add a new one instead of replacing the onPress() method. This
allows long-pressing for reboot option even if it originally exists.
- Merged the updated translations given by Christophe Gernez